[afnog] changing ssh port on a cisco router

Shake Righa shake.righa at gmail.com
Wed Jul 20 13:41:54 UTC 2011


Joseph,

Kindly try at the config mode
ip ssh port <new port> rotary 1  >>>>>>>>>. where new port is where you want
ssh to accept connections on

Router(config)# ip ssh port 2011 rotary 1
Router(config)#line vty 0 4
Router(config-line)#rotary 1


Regards,
Shake Righa




On Wed, Jul 20, 2011 at 4:32 PM, joseph mpora <klashniv at gmail.com> wrote:

> Dear All,
>
> Am having trouble changing the port SSH listens on a cisco router. I
> have been able to get it to listen on port 2000 but connections to
> port 22 are also accepted.
>
> I would like to only allow ssh connections on port 2000.
>
> Below are the configs an using:
>
> ip ssh port 2000 rotary 1
> line con 0
> line aux 0
> line vty 0 4
>  rotary 1
>  transport preferred ssh
>  transport input ssh
>  transport output ssh
> line vty 5 807
>  rotary 1
>  transport input ssh
>
> Additional Information:
>
> Cisco IOS Software, 2801 Software (C2801-SPSERVICESK9-M), Version
> 12.4(24)T4, RELEASE SOFTWARE (fc2)
> ROM: System Bootstrap, Version 12.3(8r)T9, RELEASE SOFTWARE (fc1)
> System image file is "flash:c2801-spservicesk9-mz.124-24.T4.bin"
>
> Please let me know if what am trying to do is achievable and how it can be
> done.
>
> Thank you.
>
> Regards,
> Joseph Mpora
>
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